add tests for encoding info related chunks

internal/encoders/info_tracker_chunk_test.go

@@ -0,0 +1,52 @@
+package encoders
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+
+	"github.com/jwetzell/psn-go/internal/decoders"
+)
+
+func TestInfoTrackerChunkEncoding(t *testing.T) {
+	testCases := []struct {
+		description string
+		expected    []byte
+		chunk       decoders.InfoTrackerChunk
+	}{
+		{
+			description: "InfoTrackerChunk",
+			expected: []byte{
+				1, 0, 13, 128, 0, 0, 9, 0, 84, 114, 97, 99, 107, 101, 114, 32, 49,
+			},
+			chunk: decoders.InfoTrackerChunk{
+				Chunk: decoders.Chunk{
+					ChunkData: []byte{0, 0, 9, 0, 84, 114, 97, 99, 107, 101, 114, 32, 49},
+					Header:    decoders.ChunkHeader{DataLen: 13, Id: 1, HasSubchunks: true},
+				},
+				Data: decoders.InfoTrackerChunkData{
+					TrackerName: &decoders.InfoTrackerNameChunk{
+						Chunk: decoders.Chunk{
+							ChunkData: []byte{84, 114, 97, 99, 107, 101, 114, 32, 49},
+							Header:    decoders.ChunkHeader{DataLen: 9, Id: 0, HasSubchunks: false},
+						},
+						Data: decoders.InfoTrackerNameChunkData{
+							TrackerName: "Tracker 1",
+						},
+					},
+				},
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+
+		actual := EncodeInfoTrackerChunk(testCase.chunk.Chunk.Header.Id, EncodeInfoTrackerNameChunk(testCase.chunk.Data.TrackerName.Data.TrackerName))
+
+		if !reflect.DeepEqual(actual, testCase.expected) {
+			t.Errorf("Test '%s' failed to encode chunk properly", testCase.description)
+			fmt.Printf("expected: %v\n", testCase.expected)
+			fmt.Printf("actual: %v\n", actual)
+		}
+	}
+}